Introducing the new MNVS Muon 1, the first stepping stone for the "Modular Night Vision System" product environment. Produced using the most precise and modern manufacturing techniques such as multi axis milling and assembled in a facility that rests at the heart of aerospace in Torrance California you can rest assured that you have one of the lightest systems on the market without compromising strength. Weighing in at 503g with Carson optics and the Muon packs rigidity where it matters, featuring a alloy forged aluminum bridge capable of standing 78,000 PSI of tension (Over 50 times more than competitors) and retained our swiss machined IPD adjusters so that headaches from axial misalignment are a thing of the past. The Muon also features our proprietary photon trap technology on smooth surfaces to keep light reflection at a minimum. Fits MX10160 and similar intensifiers. SPEC: -Elbit White Phosphor Intensifiers 2000+FOM Weight: 503g Power Source: Internal Power (1 3V CR123) Focal Range: 9.8” to X FOV: 40 DEGREES Run Time: 100H +-15% Interpupillary Travel : 50 TO 80MM Diopter Range: -6 TO +2 Water Resistant up to 70FT . Must be a US citizen to purchase in accordance with ITAR.